Motorola Vhf 136 174 Mhz Uhf 435 480 Mhz 6881096c38 Manual
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6881096C38March, 2006 UHF (435-480 MHz) Band Information: Troubleshooting Charts 8-15 Figure 8-10. Troubleshooting Flow Chart for Microcontroller START APPLY POWER TO RADIO AND WAS GOOD OR BAD POWER-ON YES DONE WAS GOOD POWER-ON BEEP ARE ALERT TONES ENABLED IN SPM USE SPM TO ENABLE TONES INVOKE FACTORY RESET IN SPM WAS GOOD POWER ON BEEP PRESENT MAIN RADIO BOARDS MUST BE REPLACED ARE TONES PRESENT ON POWER UP AT CN101 PIN 3? AUDIO PROBLEM, TROUBLE- SHOOT AUDIO CKT WITH POWER CONNECTED TO RADIO AND THE RADIO TURNED ON CHECK THE FOLLOWING: 1) 5V AT PIN 87 OF Q101. IF NONE CHECK Q126. 2) WITH HIGH IMPEDANCE PROBE CHECK FOR 8.388608MHZ AT PIN 13 AND 12 OF Q101, IF NO SIGNAL CHECK/REPLACE X101. 3) CHECK DC AT PIN 9 OF Q121. IF < 4.5VDC CHECK CN101 PIN 15. 4) CHECK FOR TYPICAL VOLTAGES OF Q101 AND Q114 VOLTAGES. BEEP PRESENTTURN ON PRESENT DONE DONE DONE YES YES YES YES YES NO/DON’T KNOWNO NO NO NO(RF & CONTROLLER) NOTE: Q101 is not replaceable. If Q101 is damaged, the controller and RF boards both need to be replaced.
March, 20066881096C38 8-16UHF (435-480 MHz) Band Information: Troubleshooting Charts Figure 8-11. Make sure Synthesizer is working correctly. 1.6 VDC at Q308 Base? 4.65 VDC at Q414 collector? =151 mVrms at Terminal of C311? Supply DC at Q329? 0.9 VDC at Q308 emitter? Are Q325Pin’s emitter at 2.1VDC, collector at 3.8VDC, base at 2.9VDC? Q324 emitter at 1.0VDC, collector at 4.0VDC, base at 1.7VDC ? 0.9 VDC at Q308 emitter? 1.6 VDC at Q308 base ? 4.65 VDC at Q416 collector? Troubleshooting Flow Chart for VCO Low or no Power at Pin 4 of L408 VisualCheck of Board OK? If all parts from Q324 of mixer are OK, then replace Q324 If all parts associated with those Pin’s are OK, then replace Q308 If all parts from Q325 Pin 4 to Input of PA are OK, then replace Q325 If C359 is OK, then replace Q329 Replace R347 Replace C311 Low or no power at Input to PA Visual check of Board OK?Correct Problem Replace R311, R322 Replace R312 or L301 NO YES NO YES NO YES NO YES NO YESYES NO YES NOYES NONOYES NO NO YES NO YES RX VCOTX VCO Power OK but no Modulation Note: Test Frequency 158MHz
UHF 435-480 MHz Circuit Board/Schematic Diagrams and Parts List8-176881096C38March, 20068.6 UHF 435-480 MHz Circuit Board/Schematic Diagrams and Parts List Figure 8-12. UHF 435-480 MHz Controller Board (K305E501-01) To p SideBottom Side Chapter 8
8-18 UHF 435-480 MHz Circuit Board/Schematic Diagrams and Parts ListMarch, 20066881096C38Figure 8-13. UHF 435-480 MHz Complete Controller Board Schematic Diagram (K305E501-01) R1200 Q115HL002-Y11 R109330 R108 330 A0 1 A12 A23 Vss4 SDA 5 SCL6 TEST7 Vcc 8 Q114 S-24C16AFJ-01 R127 12.4k R1286.98KC129 0.01 R11051KR11151K R11213K R11322K R11443K R115130K R11618KR117 33KR118 100K C131 33p C132 33p 4 OUT11 OUT22INGND3 AB 4 OUT11IN UP DOWN CD COM01 COM12 COM23 COM34 SEG05 SEG16 SEG27 SEG38 SEG49 SEG510 SEG611 SEG712 SEG813 SEG914 SEG1015 SEG1116 SEG1217 SEG1318 SEG1419 SEG1520 SEG1621 SEG1722 SEG1823 SEG1924 SEG2025 SEG2126 SEG2227 SEG2328 SEG2429 SEG2530 SEG2631 SEG2732 SEG2833 SEG2934 SEG3035 SEG3136 LC101 LCD V3 77S4776 S4675V2 78 V179 COM080 COM181 COM282 COM383 P3084 P3185 VSS386 VDD387 P3288 P3389 P3490 P3591 P0092 P0193 P0294 P0395 P0496 P0597 P0698 P0799 P10100 P111 P122 P133 P144 P155 P166 P177 RES#8 XT19 XT210 VSS111 CF112 CF213 VDD114 P8015 P8116 P8217 P8318 P8419 P8520 P86 21 P8722 P7023 P7124 P7225P73 26 S027 S128 S229 S330 S431 S532 S633 S734 S835 S936 S1037 S1138 S1239 S1340 S1441 S1542 S1643 S1744 S1845 S1946 S2047 S2148 S2249 S2350 VDD251 VSS252 S2453 S2554 S2655 S2756 S2857 S2958 S3059 S3160 S3261 S3362 S3463 S3564 S3665 S3766 S3867 S3968 S4069 S4170 S4271 S4372 S4473 S4574 Q101 LC87F72C8A(flash)/LC877264(mask ) C1120.1 C108 0.1 C1050.1 C110 0.001 X101 CSA-308 (8.388608MHz) C10310p C102Not use C10122p BUSY TX PTT SW C1130.001 MO N I SW C1070.01 C140 0.22 C1390.1 C138 0.1 C137 0.1 TX D RXD C1410.001 C142 0.001 C143 0.001 C144 0.001 31 4 25Q125 NJM2107F(w/vox )R153 10K( w/vox) R15447K(w/vox) R15647K(w/vox) VDDVbb Vdd Vdd GND MOD_COP DATA0 MIC GND GND GND RESETGND GND CLOCKDATA PLL_LE UNL OCK DTMF OUT DTMF IN SU AU OUTDETECT IN TDC N/W RSSI SQL IN VOX IN TEMP INMC1 MC2 RX/TXSAVE TX_M UTEST_BY SQL_MUTE DAC_RX DAC_TX DAC_BAISPRO MIC_PTT C1560.01 C157 0.01 C158 47p C159 47p C160 47p C161 0.001C162 0.001 C164 0.001(V)0.01(22/U ) C1650.001 C166 47p C167 47p C145 47p C146 0.001 C147 0.001 C148 0.001 C149 0.001 C150 0.001 C151 0.001 C152 0.001C153 0.001 C154 0.001 C155 0.001 R150 10k(V)2.2k(22/U ) R15 8470K OUT 1 Vdd2 GND3 NC 4 CD5 Q105 RN5VD30CATRC1090.1 R1 7 047KR17147K R172 47K R101 0 R168 47KR173 4.7k R174 24.7k R162 10KR159 20K R16110K R1 6 310KR165 10KR166 10K R164 10KR148 20K R14720K R14520K R14620K R14420K R14320K R14220K R14120K R160 10K R169330 R167 47K COM0 COM1 COM2 COM3 S0 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 S21 S22 S23 S24 S25 S26 S27 S28 S29 S30 S31 COM0 COM1 COM2 COM3 S0 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 S21 S22 S23 S24 S25 S26 S27 S28 S29 S30 S31 Q119UMH6N R1291K Q1271SS355R102 47K S101EVQPUA02K S102EVQPUA02K M101 OB - 22P44 C104100p C1200.001 Q1 1 8 SML-020ML T 12345678 9101112131416 15 Q121MB88347PFV R10747 SH101 SOLDER SHORT R175 4.7K Q116 123456789101112131415161718192021222324252627282930313233343536373839 40 CN101 AXK5S4 0245J/PR176 47K C173 Not us e Q126RB521S R177 2.2k(V ) C1710.1 C1352.2u/6.3V C136Not Use R180 560k(V)10k (U) R1820 Q102 UMG2N R18347K C10627p L112LEM2520T100J R1190 R121 NOT US E R12610K R138 100K(w/vox) R137 1K ( w/v ox) TP111 TP112 TP113 TP114 TP115TP 116 TP110 R106 0+C11447u/6.3V (T) +C11547u/6.3V (T) +C11647u/6.3V (T) +C11147u/6.3V (T) R10510K R103 NOT US E R1040 Q130SSM3K03FE C1741u/6.3V C176 0.1uF (U)R184 10k(Ver 9) Q1311SS372(W /V OX) C181 0.22(W /V OX)C183 470p (W/VOX) C182 0.22(W/VOX) R157220K(w/vox) R192 47KR192 47K COM1COM2 R187 220K Q133 DAN222Q134 2SC4116GRR188 56KR189 120K R190 180K Q135 DAN222R191 10K Q138 1SS355 Q137 UMW1N Q136 1SS355 C185 4.7uC184 4.7u HL002-Y11 Q117 DTC114EE 4 OUT11 IN 3 OUT22 GND 3 OUT22 GND 4 OUT11 OUT22IN GND3 4 OUT11 OUT22IN GND3 4 OUT11 OUT22IN GND3 C186 0.22u/10(V) Not use(U) 6 4 132 Q123 DTA144EE (w/vox)
UHF 435-480 MHz Circuit Board/Schematic Diagrams and Parts List8-196881096C38March, 2006 Figure 8-14. UHF 435-480 MHz Main Board Top Side (K305E503-01)
8-20 UHF 435-480 MHz Circuit Board/Schematic Diagrams and Parts ListMarch, 20066881096C38Figure 8-15. UHF 435-480 MHz Main Board Bottom Side (K305E503-01)
UHF 435-480 MHz Circuit Board/Schematic Diagrams and Parts List8-216881096C38March, 2006 Figure 8-16. UHF 435-480 MHz Switches and Battery Schmeatic Diagram (K305E503-01) R212 100 Vi n 2 GND 1Vout5 NC 4 CE 3 Q204 XC62HR5002PR C217 0.1 C218 0.001 Q201 2SB798 R201 10K R203 4.7K + C202 10u 10V (T) C201 0.01 + C203 1u16V(T) R202 2.2KC204 0.01 C206 0.001 + C207 10u 10V(T) C208 0.01 R209 10 R210 22 C211 0.001 C214 0.001 + C213 10u 10V(T)) Q210 2SA1362R211 10K C212 0.001 Q202 UMW1N Q203 1SR154-400 C205 0.01 R204 4.7kR205 50K(TH) 321 BATT THERM GND 41235SW201 TP76N17N 10K.A C215 2.2uF/16V AF Vol 2 AF Vol 3Vdd SAVE +BSAVE RX/TX TEMP IN SW +BVbb Tx +B R213 47k Q208 RN2102 Q209 RN1102 Q211 RN2110 RX +B CN201 09D86237A
8-22 UHF 435-480 MHz Circuit Board/Schematic Diagrams and Parts ListMarch, 20066881096C38Figure 8-17. UHF 435-480 MHz Receiver Front End Schematic Diagram (K305E503-01) C401 8p C402 5p Q401 1SV279 Q402 1SV279 L401 0.3-1.0-5T C407 2pC408 22p Q403 1SS362C409 0.01R405 6.8K R40312K Q404 2SC5086Y R406 0 R404 4.7K C411 33p L405 0.3-1.0-7T C413 0.01 Q405 1SV279 C414 7p Q406 1SV279 C415 6p L406 0.3-1.0-5T C417 5p C419 0.01 C420 3pC421 9p C422 7p 1 2 3 4 C424 R2 R1 not use C425 R1 R2 not use R412 56L412 150nH(C2012C) C426 82p L413 470nH(FSLM) C427 24p F401 - - - C428 - - -F402 45N12A5 R413 0 Q416 2SC5086Y L426 22nH(LL1608) R430 100 C460 5p R43110KC463 5p R433 10K R432 220 C461 0.001 C462 0.01 C404 6p L402 0.3-1.0-5T R401 100K R402 100K C406 100p L403 - - - L404 180nH(C2012C) R407 470C410 100p C412 0.01 L407 0.3-1.0-5T R408 100K R410 100KR409 100K L410 15nH(LL2012) C423 3p R455 100K C416 5p C403 N.U C405 N.U 2 13 64L408 SMD-0314A 2 13 46 L409 SMD-0314A C487 1p R459 3.3K C494 3p C495 22p C429 - - - 1st IF DAC_RX Local RX +B RX ANT SW Q407 HSMS-2817(B7) R470 0
UHF 435-480 MHz Circuit Board/Schematic Diagrams and Parts List8-236881096C38March, 2006 Figure 8-18. UHF 435-480 MHz Receiver Back End and Receiver Audio Schematic Diagram (K305E503-01) Q408 2SC4215YR415 150K C430 0.01 1 89 16 Q506 TA31136FN R526 0C525 27p C526 39p R527 10K C530 0.1 R532 1.5M C531220p C532220p R535 2.2kR534330kC533 56p C508 470p R506 3.3K 1 2 345 F501 BL FYM455D R541 22K R542 22K 1 2 345 F502 AL FYM455G R530 22K R531 22K C501 100p C502 NUC503 0.01 R501 0 CD501 IFD0455C24E3 C505 100p R503 2.7K R505 2.2K R50247K C504 0.1 R507 1K R508 10K C509 0.001 C510 0.22 C511 0.1 R509 68KC512 0.0015 R511 56K R510 470K C513 39p R513 10K C516 0.01 2% R512 47K R540 22K C519 0.01 65 7 Q502B LM2902DTB(2/4) VB 23 1 411 Q502A LM2902DTB(1/4) C517 0.01 2%R517 15.8K 1% R516 29.4K 1% VB C518 0.01 2% C520 0.01(ECHU) 910 8 Q502C LM2902DTB(3/4) R518 11.5K 1% R519 150K 1% VB C521 0.01(ECHU) C522 0.01(ECHU)1312 14 Q502D LM2902DTB(4/4) R520 4.22K 1% R521 715K 1% R522 N.U VB C523 0.22 R523 47K 23 1 411Q505A LM2902DTB(1/4) R543 100K R539 100K R538 100K C537 0.0027 C535 0.027 C536 0.047 R544 100KC539 0.039 R545 100K 65 7 Q505B LM2902DTB(2/4) C540 0.0015 R546 100K C541 0.1 910 8 Q505C LM2902DTB(3/4) R547 100KC542 390p R548 10K R549 100K 1312 14 Q505D LM2902DTB(4/4) C543 0.0047 C544 0.22 R550 1K Q503 2SJ144Y R524 2.2K C524 0.068 R525 10K + C534 2.2u10V(T) C514 0.01 R537 470K C538 0.01 Q507 DAN235E Q508 DAN235E C529 0.145 321 Q501 UMC4N C506 0.1 C546 0.1 L 428 Not use R5510 + C545 33u6.3V(T) C547 0.1 13 2 4X501 44.645MHz R515 25.5K 1% C515 0.01 2% 31 4 52 Q510 NJM2107F C551 0.01 2% C550 0.01 2% R561 634K 1% R560 5.6k VB R514 10k R571 220K(TH)R570 120k R468 1.8k L 432 1uHL431 1uH C528 1uQ511 RB521S R536 1k Q513 RB521S Q512 HSC277 1st IF RX +B TX +B Vdd AF VOL 3 SQ MUTE HPF OUT HPF IN DTMF IN DETECT IN W/N SQL IN RSSI Q509 RN2104 Q504 RN1104
8-24 UHF 435-480 MHz Circuit Board/Schematic Diagrams and Parts ListMarch, 20066881096C38Figure 8-19. UHF 435-480 MHz Voltage Controlled Oscillator and Synthesizer Schematic Diagram (K305E503-01) C339 0.001 C343 10u10V(T) R336 100K 123456789 10 11 12 13 14 15 16 Q323 MB 15A 02 R321 6.8K R319 10K Q315 2SC4116GR Q314 2SA1586GR R320 6.8k R318 10K Q316 UDZ S 7.5B +C324 10u16V(T) R316 2.7k R317 3.3K + C323 1u16V(T) R315 3.3K R313 100K TP301 C319 47p C31847p C31747p R314 0 R323 4.7K x 4 R361 22K R362 22K R357 10 C312 10pR358 47 C313 Not use C368 1u R356 4.7k Q319 1SS355 + C369 0.1u 35V(T) R364 6.8K+ C371 1u 16V(T) Q331 2SC4116GR R359 4.7K R366 470 R367 470 R335 100K C341 0.1 C919 0.022 L306 390nH Q308 2SC5086Y R913 10KL301 22nHR311 15KR310 100 C308 6p C918 100p L303 18n L304 390nH C316 0.001 C3143pFC913 3p C311 1p R930 100K C912 1p C938 2p C935 4p Q9 2 1 JDV2S01E L 305 390nH L312 BLM21A121S Q318 2SC4116GRR935 4.7K C329 470p + C328 4.7u16V(T) Q922 1SV270L310 390nH C342 100p R934 1K C3450.001 R312 220 C310 0.001 45 321 Q317 UMC4N C309 0.01 L 302 390nHR914 150L 308 390nHR928 150 C315 6pC9376p R929 10K C340 47p C936 6p Q916 2SJ243 C351 N.U C352 2pC353 0.001 Q303 2SK508(K52) Q302 2SK508(K52) L 307 390nH L309 18n C320 0.001 C350 0.0015 C940 1p(R1) R368 680k Vd d SAVE + B VC O AF M o d RX /T XCL O C K DA T A P LL LE UNL O C K Mod C M P S u b A u di o Mod Vin 1 Is Ext Vo 4Vfb5 GND Cx En8 Q333 TK11850L C384 56p R373 5.6K C385 0.1u R374 120K R372 1 L319 A914BYW-470M Q332 RB521S C387 1u R375 220 R371 100C382 0.1u + C383 10u/16V(T) + C386 10u/16V(T) R377 0 Cont 1 GND 2 Noise 3 Vin5 Vout4 Q334 TAR5S33 + C391 10u/6.3V(T) C390 0.01u C389 1u C388 0.1uR376 100 4 2 31X301 HKE3065B 3. 3V R e f Q311 1SV228